Sort on recursive search

Run clippy

src/video.rs

@@ -132,7 +132,7 @@ impl Handler<ScanDirectoryMessage> for VideoPlaylistManager {
             .into_iter()
             .filter_map(|e| e.ok())
             .filter(|e| e.file_type().is_file())
-            .filter(|e| is_video(e))
+            .filter(is_video)
             .collect::<Vec<DirEntry>>();
 
         let scan_dir_name = msg.directory.clone();